hey guys
well my cousin has a 91 celica GT4 and his having boosting problems. on full throttle the car cuts out boost totally and runs like an NA until you turn the car of and turn it back on. and we cant figure out for the life of us whats wrong with it.
its a stock car with only mods done is 3" turbo back exhaust, BOV and CAI. now his CAI is setup like a ram pod so his pods sitting under the bar getting air forced into it basically.,
and the previous owner did a gay BOV install. its got a top mount cooler and its running two bovs. the factory one and the aftermarket one which is attached to the pipe that comes straight out of the cooler into the TB so its just attached to that.
his got a new high flow fuel pump installed and stock fuel pressure reg still so dont think fueling would be the problem here
ppl have been telling him its because of his CAI. the ram air gets forced in to much and stuffs up the A/F mixture and it overboost so the ecu cuts the boost totaly which feels gay.
so any thoughts from you guys would be great on whats happening.
thanks
Ash